Date: 4/12/2022 23:21
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PY-A-4386

Crosman .177-Cal Steel Breech Kit, Fits 1377, 1740, 1760 & PC77 Air Guns

4.5 (106 reviews)
Crosman .177-Cal Steel Breech Kit, Fits 1377, 1740, 1760 & PC77 Air Guns

Crosman .177-Cal Steel, Image 1

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$44.99

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$44.99


  • Crosman .177-cal. steel breech kit
  • Fits Crosman airgun models 1377,* 1740, 1760 and PC77
  • Will accept the Crosman LPA MIM rear sight

The original rear sight that comes with any of these airgun models will no longer fit on the steel breech. If you want a rear sight, the Crosman LPA MIM rear sight is made for this kit (CR-2300-010[PY-A-4385]).

*This breech does not fit older model 1377 air pistols with a sliding breech cover.

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Item Code: CR-1377SBPK [PY-A-4386]

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Price

$44.99

Specs

Weight0.15 lbs

Average Customer Review

4.5 (106 reviews)
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5.0 5.0

5.0 5.0

Verified Purchase

Things I liked:

Steel, nice weight and good finish. Secures very nicely and was easy to install after some fiddling even without looking at instructions(do still look at instructions there's no reason not to).

Things I would have changed:

Blue loctite on the bolt handle threads but you can do it yourself quite easy and loctite is always good to have around anyways, it'll just come loose after working the action a few times(or maybe I'm just rough).

What others should know:

This with the stock makes for a very accurate little plinker.

5.0 5.0

4.0 4.0

Verified Purchase

Things I liked:

The option for a scope or red dot sight. Easy to install. You can also add an adjustable open rear sight.

Things I would have changed:

The addition of sights with the rail. Better screw placement.

What others should know:

Overall very pleased with the whole set up. I will be adding another one to my next one.

4.0 4.0

4.0 4.0

Verified Purchase

Things I liked:

Steel is way better than plastic. Holds the barrel much better

Things I would have changed:

That dang screw that sits to low that causes pellets to get jammed or go wonky when loading them. I know there are aftermarket solutions, but crossman should really fix this (Maybe they have, but just want to sell out all there old steel breaches?)

What others should know:

It's heavier than the plastic, but I personally think that is a good thing.

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  • elcue from USA asked:

    What adapter do you use to mount a red dot sight on the 1377 with the steel breach. I have bought dovetail to weaver adapters to mount a sight and they do not fit the dovetail. I for some reason I just realized it states in the description. (Does not fit 3/8", 11mm, Weaver or Picatinny dovetails/bases) Duhh on me! What is used to mount a red dot or scope if desired?

    • Jason from USA asked:

      Will this for the old 1389 backpacker?

      • Mark from USA answered:

        Compatible with Crosman .177-Cal Steel Breech Kit, Fits 1377, 1740, 1760 & PC77 Air Guns. No

    • Plinker50 from USA asked:

      Will this upgrade the older model with the sliding breech cover?

      • Shawn from USA answered:

        It says in the description that it does NOT fit the old version..

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    Compatible with Crosman .177-Cal Steel Breech Kit, Fits 1377, 1740, 1760 & PC77 Air Guns

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